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Great Horned Owl (also known as Tiger Owl or Hoot Owl)
Primary flight feathers (Remiges); specifically outer primaries showing distinct asymmetrical vanes.

Great Horned Owl (also known as Tiger Owl or Hoot Owl)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: Bubo virginianus

Family: Strigidae (Typical Owls)

Shape
Highly asymmetrical vanes with a narrow leading edge and a broad trailing edge. The tips are rounded, and the overall outline is elongated and slightly curved.
Size
Approximately 25-30 cm (10-12 inches) in length. This is consistent with the primary flight feathers of a large Bubo species, which typically range from 22 to 33 cm.
Rarity
Common; they are the most widely distributed owl in the Americas, though their nocturnal nature makes them harder to see than to hear.
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Description

The Great Horned Owl is a formidable predator with iconic 'ear tufts' and large yellow eyes. These feathers belong to a bird with a wingspan of up to 5 feet. The plumage is designed for total stealth, allowing the owl to ambush prey ranging from rodents to skunks and other raptors.

Colour & Pattern

Mottled brown, cream, and buff. One feather shows heavy dark brown transverse barring on a lighter buff background, while the other shows a paler, almost white base with crisp, dark brown jagged bands. These represent the dorsal and ventral aspects or variation across different primary positions.

Barb Structure

Pennaceous structure with specialized velvet-like pile (fimbriae) on the dorsal surface and a comb-like fringe (flutings) on the leading edge to dampen sound during flight. Bases show plumulaceous (downy) barbs.

Texture & Surface

Incredibly soft and silky to the touch due to the 'hirsute' surface (tiny hair-like extensions on the barbs). The appearance is matte rather than glossy, which aids in camouflage and sound reduction.

Key Features

Serrations (comb-like edges) on the leading vane, velvet-like surface texture, and distinct broad, dark transverse bands on a buff/cream background.

Habitat

Extremely versatile; found in deciduous and evergreen forests, swamps, deserts, agricultural areas, and even urban parks or suburban woodlots.

Geographic Range

Year-round resident across most of North America, stretching from the Arctic treeline south through Central America and into parts of South America.

Ecological Role

Apex nocturnal predator. They control populations of small to medium mammals and are vital indicators of ecosystem health due to their position at the top of the food chain.

Similar Species

Long-eared Owl feathers are similar but significantly smaller and narrower. Barred Owl feathers lack the distinct 'toothed' serrations of the Great Horned and have more regular, less mottled banding.

Interesting Facts

Great Horned Owls have a crushing power in their talons of up to 300 psi. They are one of the few animals that regularly hunt skunks, as they have a very poor sense of smell.

Condition Notes

Excellent condition. The barbs are mostly intact with minimal fraying at the tips, suggesting they were recently molted from a healthy adult.

Great Horned Owl (also known as Tiger Owl or Hoot Owl) | Feather Identifier